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Diffstat (limited to 'examples/ray/main.lua')
| -rw-r--r-- | examples/ray/main.lua | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/examples/ray/main.lua b/examples/ray/main.lua new file mode 100644 index 0000000..f0f5c2f --- /dev/null +++ b/examples/ray/main.lua @@ -0,0 +1,47 @@ +local camera = -1 +local sphereMesh = -1 +local ray = { { 0.5, 0, 4 }, { 0.1, 0, -1 } } + +local function setupWindow() + local monitor = 0 + local mPos = RL_GetMonitorPosition( monitor ) + local mSize = RL_GetMonitorSize( monitor ) + local winSize = RL_GetWindowSize() + + RL_SetWindowState( FLAG_WINDOW_RESIZABLE ) + RL_SetWindowPosition( { mPos[1] + mSize[1] / 2 - winSize[1] / 2, mPos[2] + mSize[2] / 2 - winSize[2] / 2 } ) +end + +function init() + setupWindow() + + camera = RL_CreateCamera3D() + RL_SetCamera3DPosition( camera, { 0, 2, 4 } ) + RL_SetCamera3DTarget( camera, { 0, 0, 0 } ) + RL_SetCamera3DUp( camera, { 0, 2, 0 } ) + RL_SetCamera3DMode( camera, CAMERA_FREE ) + + sphereMesh = RL_GenMeshSphere( 1.0, 8, 10 ) + + -- local rayCol = RL_GetRayCollisionSphere( { { 0.5, 0, 4 }, { 0, 0, -1 } }, { 0, 0, 0 }, 1.0 ) + local rayCol = RL_GetRayCollisionMesh( ray, sphereMesh, RL_MatrixIdentity() ) + + if rayCol ~= nil and rayCol.hit then + print( "hit", rayCol.hit ) + print( "distance", rayCol.distance ) + print( "point", rayCol.point[1], rayCol.point[2], rayCol.point[3] ) + print( "normal", rayCol.normal[1], rayCol.normal[2], rayCol.normal[3] ) + end +end + +function draw() + RL_ClearBackground( { 100, 150, 100 } ) + RL_UpdateCamera3D( camera ) + + RL_BeginMode3D( camera ) + RL_DrawGrid( 8, 1 ) + RL_DrawRay( ray, { 255, 100, 100 } ) + + RL_DrawMesh( sphereMesh, 0, RL_MatrixIdentity() ) + RL_EndMode3D() +end |